US3032402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the analysis of flue gas and protective gas
Assignee: ABB Training Center GmbH and Co KG
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Filing: 1958-02-24
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Granted: 1962-05-01
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Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 Schlenz Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:57
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN APPARATUS FOR ANALYSING FLUE GAS AND PROTECTIVE GAS FOR COMBUSTIBLE OR REDUCING SUBSTANCES COMPRISING FIRST AND SECOND MAGNETIC OXYGEN ANALYSERS EACH CONTAINING TWO HEATED WIRES, ONE IN AN INHOMOGENEOUS MAGNETIC FIELD AND ANOTHER IN A SPACE WITHOUT MAGNET FIELD, THE FOUR HEATED WIRES BEING CONNECTED IN AN ELECTRIC BRIDGE FED BY A CURRENT SOURCE, AN ELECTRIC MEASURING INSTRUMENT FOR DETERMINING THE DIAGONAL VOLTAGE OF THE HEATED WIRE BRIDGE, TWO RESISTANCES ARRANGED IN SERIES AND CONNECTED ACROSS THE CURRENT SOURCE FOR FEEDING THE HEATED WIRE BRIDGE, ANOTHER ELECTRICAL MEASURING INSTRUMENT CONNECTED WITH ONE POINT OF THE BRIDGE DIAGONAL OF SAID SECOND ANALYSER AND THE JUNCTION OF SAID TWO RESISTANCES, MEANS FOR DIVIDING THE GAS FLOW INTO TWO PARTIAL FLOWS, A COMBUSTION CHAMBER FOR BURNING THE UNBURNT COMPONENTS OF THE FLUE GAS IN ONE PARTIAL FLOW, MEANS FOR FEEDING THIS PARTIAL FLOW TO THE FIRST MAGNETIC OXYGEN ANALYSER, AND MEANS FOR FEEDING THE SECOND PARTIAL FLOW TO THE SECOND MAGNETIC OXYGEN ANALYSER.
Claim 2
Independent Claim
161 words
AN APPARATUS FOR ANALYSING FLUE GAS AND PROTECTIVE GAS FOR COMBUSTIBLE OR REDUCING SUBSTANCES COMPRISING FIRST AND SECOND MAGNETIC OXYGEN ANALYSERS EACH CONTAINING TWO HEATED WIRES, ONE IN AN INHOMOGENEOUS MAGNETIC FIELD AND ANOTHER IN A SPACE WITHOUT MAGNET FIELD, THE FOUR HEATED WIRES BEING CONNECTED IN AN ELECTRIC BRIDGE FED BY A CURRENT SOURCE, AN ELECTRIC MEASURING INSTRUMENT FOR DETERMINING THE DIAGONAL VOLTAGE OF THE HEATED WIRE BRIDGE, TWO RESISTANCES ARRANGED IN SERIES AND CONNECTED ACROSS THE CURRENT SOURCE FOR FEEDING THE HEATED WIRE BRIDGE, ANOTHER ELECTRICAL MEASURING INSTRUMENT CONNECTED WITH ONE POINT OF THE BRIDGE DIAGONAL OF SAID SECOND ANALYSER AND THE JUNCTION OF SAID TWO RESISTANCES, MEANS FOR DIVIDING THE GAS FLOW INTO TWO PARTIAL FLOWS, A COMBUSTION CHAMBER FOR BURNING THE UNBURNT COMPONENTS OF THE FLUE GAS IN ONE PARTIAL FLOW, MEANS FOR FEEDING THIS PARTIAL FLOW TO THE FIRST MAGNETIC OXYGEN ANALYSER, AND MEANS FOR FEEDING THE SECOND PARTIAL FLOW TO THE SECOND MAGNETIC OXYGEN ANALYSER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |